sameakamou5wf8 sameakamou5wf8

04-08-2017
Mathematics

contestada

Devaughn's age is two times Sydney's age. The sum of their ages is 30

. What is Sydney's age?

Respuesta :

musiclover10045 musiclover10045

04-08-2017

D=2S

D+ S = 30

2s+S = 30

3S=30

S=30/3 = 10

Sydney is 10

Devaughn is 2*10 = 20

Answer Link

Otras preguntas

2x-5+x-2=5 what is the value of x

The scale ratio on Emily’s map of jogging is 1:50 000. She chooses a route approximately 12cm long on the map. How far is she planning to jog?

Please Help ASAP! (See Attached) - Brainliest + 100 pts!!!

12 sınıf Matematik bilimi islam dünyasında X.yüzyılda hangi konularda ilerleme kaydetmiştir

check your answer for x= -2/3 5(3x+4)-8(6x+7)=9x-8

Which of the following statements regarding tip income is true? A. If the taxpayer is an indirectly tipped employee (for example, a busser or bartender) he or s

give an example not illustrating popular sovereignty

A committee of six is selected from ten people, of whom A and B are two. How many committees can be formed: (a) containing both A and B (b) excluding A if B is

20.Mary isn't the only one responsible for this mistake. After all, it takes ____________

calculate how many times greater the radius of the nucleus of a u8 atom is (the largest stable atomic nucleus) than the proton of the H, atom (the smallest atom